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Fast Scramblers, Horizons and Expander Graphs
Published 28 Apr 2012 in hep-th, gr-qc, and quant-ph | (1204.6435v2)
Abstract: We propose that local quantum systems defined on expander graphs provide a simple microscopic model for thermalization on quantum horizons. Such systems are automatically fast scramblers and are motivated from the membrane paradigm by a conformal transformation to the so-called optical metric.
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